Home / 20,382.13-30,573.24-5,591.26

Finding the Fourth Proportional to 20,382.13, 30,573.24 and 5,591.26

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Solution

The fourth proportional to 20,382.13, 30,573.24 and 5,591.26 is: 8,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382.13 : 30,573.24 = 5,591.26 : x
  2. Step 2: Convert to fraction form
    20,382.13/30,573.24 = 5,591.26/x
  3. Step 3: Cross multiply
    20,382.13x = 30,573.24 × 5,591.26
  4. Step 4: Simplify right side
    20,382.13x = 170,942,933.88
  5. Step 5: Solve for x
    x = 170,942,933.88/20,382.13
  6. Step 6: Final answer
    x = 8,386.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.